基于MC34063的便携式仪器电源电路设计  

Design of Power Supply Circuit based on MC34063 Used in Portable Instrument

作　　者：管小明[1] 李跃忠[1] 王晓娟[1] 

机构地区：[1]东华理工大学信息与电子工程学院,江西抚州344000

出　　处：《东华理工大学学报（自然科学版）》2010年第1期97-100,共4页Journal of East China University of Technology(Natural Science)

基　　金：江西省自然科学基金(2008GZS0043)

摘　　要：电源是电子设备的重要组成部分,电源质量直接影响到系统的性能和硬件的使用寿命。提出了一种基于MC34063的适用于便携式仪器的电源电路设计,该电路具有多路输出、外围电路简单、转换效率高且新颖实用等特点。详细论述了选型的依据及其工作原理;然后通过计算电路参数,完成了具体电路的设计;最后对电源的几个重要的性能指标进行了测试,测试结果验证了该电源电路具有良好的稳定性和高效的实用性。Power supply is one important part of electronic instrumentation,and power supply quality directly influences system performance and hardware＇s service life.This paper proposes one design of power supply circuit based on MC34063 which being suitable in the portable instrument.It has some magnificent features,such as multi-channel outputs,uncomplicated peripheral circuit,higher transfer efficiency,novelty and utility.The paper discusses in detail parts selection and circuit principle.Then through calculating circuit parameters,the design of power supply circuit is realized.Finally,several important performance parameters of power supply are tested,so it confirms that the circuit has high stability and effective practicability.

关 键 词：MC34063 便携式 电源设计 指标 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]